Analysis

  • max time kernel
    141s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    03/06/2024, 00:15

General

  • Target
    8fed805314d6e51ef6409809f1c314e3_JaffaCakes118.exe
  • Size 184KB
  • Sample240603-akbabscc6t
  • SHA256 13eac860d3bb97d53486009de6bc210923a23eff32b28b0d2a566dc26aba4e21
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8fed805314d6e51ef6409809f1c314e3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8fed805314d6e51ef6409809f1c314e3_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2864
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Users\Admin\AppData\Local\Temp\delself.bat
      2⤵
      • Deletes itself
      PID:2552
  • C:\Users\Default\AppData\Roaming\aspnetX_service.exe
    C:\Users\Default\AppData\Roaming\aspnetX_service.exe
    1⤵
    • Executes dropped EXE
    PID:2000

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        delself.bat

        • Path C:\Users\Admin\AppData\Local\Temp\delself.bat
        • Size 256B
        • SHA256 fd382acda68721cef0ca76c33140c1ee51f99f4d5da476d0852b60388a45a3bf
        • MD5 SHA1 SHA512

        aspnetX_service.exe

        • Path C:\Users\Default\AppData\Roaming\aspnetX_service.exe
        • Size 184KB
        • SHA256 13eac860d3bb97d53486009de6bc210923a23eff32b28b0d2a566dc26aba4e21
        • MD5 SHA1 SHA512 SSDEEP

        memory/2000-6-0x0000000000400000-0x000000000045B000-memory.dmp

        memory/2000-14-0x0000000000400000-0x000000000045B000-memory.dmp

        memory/2000-19-0x0000000000400000-0x000000000045B000-memory.dmp

        memory/2864-0-0x0000000000400000-0x000000000045B000-memory.dmp

        memory/2864-3-0x00000000005B0000-0x00000000006B0000-memory.dmp

        memory/2864-4-0x0000000000400000-0x0000000000421000-memory.dmp

        memory/2864-16-0x0000000000400000-0x000000000045B000-memory.dmp

        memory/2864-17-0x0000000000400000-0x0000000000421000-memory.dmp